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Finding the Fourth Proportional to 283,987,466.80, 425,981,200.20 and 253,376,465.20

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Solution

The fourth proportional to 283,987,466.80, 425,981,200.20 and 253,376,465.20 is: 380,064,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,987,466.80 : 425,981,200.20 = 253,376,465.20 : x
  2. Step 2: Convert to fraction form
    283,987,466.80/425,981,200.20 = 253,376,465.20/x
  3. Step 3: Cross multiply
    283,987,466.80x = 425,981,200.20 × 253,376,465.20
  4. Step 4: Simplify right side
    283,987,466.80x = 107,933,610,748,329,520
  5. Step 5: Solve for x
    x = 107,933,610,748,329,520/283,987,466.80
  6. Step 6: Final answer
    x = 380,064,697.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.